大乔木（树高>25m，胸径>40cm）
Big tree (height)>25m,Diameter at breast height>40cm
|
树皮厚（皮厚10mm以上）
Bark thickness (thickness above 10mm)
|
外皮纵裂（裂口宽度与深度5——10mm）
Outer bark longitudinal fissured
|
内皮石细胞粒状
Stone cell of bark grains-like
|
内皮石细胞环状
Stone cell of inner bark grains-like
|
材表平滑
Smooth in log surface
|
中国西北
Northwest China
|
中国西南
Southwest China
|
长江以南各省区
Each province, region in south of Yangze River
|
